Initial release
To completely restore the bootloader:
- Atmel ICE
- Give 5V to the carrier via a MKR board (remove VIN power source)
- run
$ARDUINO15/packages/arduino/tools/openocd/0.9.0-arduino6-static/bin/openocd -d2 -s $ARDUINO15/packages/arduino/tools/openocd/0.9.0-arduino6-static/share/openocd/scripts/ -f SAMD11D14AS.cfg -c "telnet_port disabled; program bootloader_fw_0.06.bin verify reset; shutdown "